Properties of AlN Powder Synthesized by Self-Propagating High Temperature Synthesis Process

Jae Hwan Pee; Jong Chul Park; Kwang Taek Hwang; Soo Ryong Kim; Woo Seok Cho

doi:10.4028/www.scientific.net/KEM.434-435.834

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HomeKey Engineering MaterialsKey Engineering Materials Vols. 434-435Properties of AlN Powder Synthesized by...

Properties of AlN Powder Synthesized by Self-Propagating High Temperature Synthesis Process

Abstract:

The synthesis of AlN via self-propagating high-temperature synthesis (SHS) was attempted, using various ratio of Al powder mixed with AlN powder as diluents. Al and AlN powder mixtures with various weight ratios were ignited a nitrogen atmosphere with various amounts of carbon as additives. High crystalline AlN by SHS were successfully synthesized. The microstructure development during the reaction and the influence of these additives were determined by SEM and XRD analysis. A mechanism for the formation of high purity AlN with a very low content of residual oxygen (<0.8wt %) was proposed.

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Key Engineering Materials (Volumes 434-435)

Pages:

834-837

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.434-435.834

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Online since:

March 2010

Authors:

Jae Hwan Pee, Jong Chul Park, Kwang Taek Hwang, Soo Ryong Kim, Woo Seok Cho

Keywords:

Aluminum Nitride (AlN), Carbon, Self-Propagation High-Temperature Synthesis (SHS)

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